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OAS project Detail for OCB-EDDIES
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| projects_id: | 602 |
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| Code: | |
| Acronym: | OCB-EDDIES |
| Name: | Ocean Carbon & Biogeochemistry; Eddies Dynamics, Mixing, Export, and Species composition |
| Native Name: | |
| Funding Institutions: | |
| Funding Organization (deprecated): | National Science Foundation |
| Country: | UNITED STATES |
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| Comments: | Ocean Carbon & Biogeochemistry (OCB) The Ocean Carbon and Biogeochemistry program is not an ocean research program in the traditional sense. OCB Project Office staff members, working at Woods Hole Oceanographic Institution (WHOI), and OCB Steering Committee members work together with research investigators to achieve the overall program goals including promotion, planning, and coordination of collaborative, multidisciplinary research opportunities within the U.S. research community and with international partners. OCB Mission: to establish the evolving role of the ocean in the global carbon cycle, in the face of environmental change, through studies of marine biogeochemical cycles and associated ecosystems OCB Overarching Science Themes: Improve understanding and prediction of: oceanic uptake and release of atmospheric CO2 and other greenhouse gases; climate-sensitivities of biogeochemical cycles and interactions with ecosystem structure Identified Priorities (2007): - Ocean acidification - Terrestrial/coastal carbon fluxes and exchanges - Climate sensitivities of and change in ecosystem structure and associated impacts on biogeochemical cycles - Mesopelagic ecological and biogeochemical interactions - Benthic-pelagic feedbacks on biogeochemical cycles - Ocean carbon uptake and storage PROJECT DESCRIPTION: Eddies Dynamics, Mixing, Export, and Species composition (EDDIES) The National Science Foundation's Division of Ocean Sciences funded this project under Award Number 0241310. Prior results have documented eddy-driven transport of nutrients into the euphotic zone and the associated accumulation of chlorophyll. However, several key aspects of mesoscale upwelling events remain unresolved by the extant database, including: (1) phytoplankton physiological response, (2) changes in community structure, (3) impact on export out of the euphotic zone, (4) rates of mixing between the surface mixed layer and the base of the euphotic zone, and (5) implications for biogeochemistry and differential cycling of carbon and associated bioactive elements. This leads to the following hypotheses concerning the complex, non-linear biological regulation of elemental cycling in the ocean: H1: Eddy-induced upwelling, in combination with diapycnal mixing in the upper ocean, introduces new nutrients into the euphotic zone. H2: The increase in inorganic nutrients stimulates a physiological response within the phytoplankton community. H3: Differing physiological responses of the various species bring about a shift in community structure. H4: Changes in community structure lead to increases in export from, and changes in biogeochemical cycling within, the upper ocean. |
| Deprecated: | false |
| Metadata version: | 2 |
| Keydate: | 2010-09-27 14:48:40+00 |
| Editdate: | 2024-05-13 12:40:36+00 |